Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
04/08/2026, 17:56
Behavioral task
behavioral1
Sample
ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe
Resource
win11ltsc2024-20260709-en
General
- Target ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe
- Size 45KB
- Sample260804-wh5baaef73
- SHA256 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003
- MD5 e98db5f3d0572969a247c86cf58b359c
- SHA1 229dc161ffaec2292e36593251e8599dd534766a
- SHA512 40996022bd6544588b16376f67cd6a8113959037f6f5c3220255b461fe6a275a5070ece5c7bb21493ac2c726bb570ecbdfe6434d47b979d5c05566fa89c77499
- SSDEEP 768:EufspTfzcR6uWUcb+wmo2q90CA4iiCNjPISzjbmgX3MNlkrn0hFcwBxhBDZsx:EufspTf2g2hCTqKS3b5X8NCohFddsx
- TLSH T155232B1037E8812BF2BF4F7898F26145467AF6633603E54E1CC4519B5613FC68A426FE
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
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xcavengon.click:80
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xcavengon.click:22
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xcavengon.click:8080
-
xcavengon.click:8880
-
xcavengon.click:2052
-
xcavengon.click:2082
-
xcavengon.click:2086
-
xcavengon.click:2095
-
xcavengon.click:443
-
xcavengon.click:2053
-
xcavengon.click:2083
-
xcavengon.click:2087
-
xcavengon.click:2096
-
xcavengon.click:8443
-
www.xcavengon.click:80
-
www.xcavengon.click:22
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www.xcavengon.click:8080
-
www.xcavengon.click:8880
-
www.xcavengon.click:2052
-
www.xcavengon.click:2082
-
www.xcavengon.click:2086
-
www.xcavengon.click:2095
-
www.xcavengon.click:443
-
www.xcavengon.click:2053
-
www.xcavengon.click:2083
-
www.xcavengon.click:2087
-
www.xcavengon.click:2096
-
www.xcavengon.click:8443
-
blaster.xcavengon.click:80
-
blaster.xcavengon.click:22
-
blaster.xcavengon.click:8080
-
blaster.xcavengon.click:8880
-
blaster.xcavengon.click:2052
-
blaster.xcavengon.click:2082
-
blaster.xcavengon.click:2086
-
blaster.xcavengon.click:2095
-
blaster.xcavengon.click:443
-
blaster.xcavengon.click:2053
-
blaster.xcavengon.click:2083
-
blaster.xcavengon.click:2087
-
blaster.xcavengon.click:2096
-
blaster.xcavengon.click:8443
-
ryuk.xcavengon.click:80
-
ryuk.xcavengon.click:22
-
ryuk.xcavengon.click:8080
-
ryuk.xcavengon.click:8880
-
ryuk.xcavengon.click:2052
-
ryuk.xcavengon.click:2082
-
ryuk.xcavengon.click:2086
-
ryuk.xcavengon.click:2095
-
ryuk.xcavengon.click:443
-
ryuk.xcavengon.click:2053
-
ryuk.xcavengon.click:2083
-
ryuk.xcavengon.click:2087
-
ryuk.xcavengon.click:2096
-
ryuk.xcavengon.click:8443
-
mydoom.xcavengon.click:80
-
mydoom.xcavengon.click:22
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mydoom.xcavengon.click:8080
-
mydoom.xcavengon.click:8880
-
mydoom.xcavengon.click:2052
-
mydoom.xcavengon.click:2082
-
mydoom.xcavengon.click:2086
-
mydoom.xcavengon.click:2095
-
mydoom.xcavengon.click:443
-
mydoom.xcavengon.click:2053
-
mydoom.xcavengon.click:2083
-
mydoom.xcavengon.click:2087
-
mydoom.xcavengon.click:2096
-
mydoom.xcavengon.click:8443
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uMg6iq6KoMXy
-
delay
0
-
install
true
-
install_file
swy6vfs.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 3 IoCs
resource yara_rule behavioral1/files/0x00070000000238c4-8.dat family_asyncrat behavioral1/memory/5100-10-0x0000000004E80000-0x0000000004E90000-memory.dmp family_asyncrat behavioral1/memory/5100-13-0x0000000004E80000-0x0000000004E90000-memory.dmp family_asyncrat - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\Control Panel\International\Geo\Nation ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe - Executes dropped EXE 2 IoCs
pid Process 5100 swy6vfs.exe 4248 swy6vfs.exe - Outbound SSH connection to public host 2 TTPs 2 IoCs
SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.
description flow ioc pid Process SSH destination 11 104.21.10.8:22 5100 swy6vfs.exe SSH destination 6 172.67.189.217:22 5100 swy6vfs.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 3720 cmd.exe 3744 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language swy6vfs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language swy6vfs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe - Delays execution with timeout.exe 1 IoCs
pid Process 3396 timeout.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1088 schtasks.exe - Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 2196 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe 2196 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe 2196 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe 2196 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe 2196 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe 2196 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe 2196 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe 2196 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe 2196 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe 2196 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe 2196 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe 2196 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe 2196 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe 2196 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe 2196 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe 2196 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe 2196 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe 2196 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe 2196 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe 2196 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe 2196 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe 2196 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe 2196 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2196 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe Token: SeDebugPrivilege 5100 swy6vfs.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2196 wrote to memory of 3744 2196 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe 86 PID 2196 wrote to memory of 3720 2196 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe 88 PID 3744 wrote to memory of 1088 3744 cmd.exe 90 PID 3720 wrote to memory of 3396 3720 cmd.exe 91 PID 3720 wrote to memory of 4248 3720 cmd.exe 94
Processes
-
C:\Users\Admin\AppData\Local\Temp\ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe"C:\Users\Admin\AppData\Local\Temp\ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2196 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "swy6vfs" /tr '"C:\Users\Admin\AppData\Roaming\swy6vfs.exe"' & exit2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3744 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "swy6vfs" /tr '"C:\Users\Admin\AppData\Roaming\swy6vfs.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1088
-
-
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp1299.tmp.bat""2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3720 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:3396
-
-
C:\Users\Admin\AppData\Roaming\swy6vfs.exe"C:\Users\Admin\AppData\Roaming\swy6vfs.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4248
-
-
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C:\Users\Admin\AppData\Roaming\swy6vfs.exe"C:\Users\Admin\AppData\Roaming\swy6vfs.exe"1⤵
- Executes dropped EXE
- Outbound SSH connection to public host
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5100
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp1299.tmp.bat
- Size 151B
- SHA256 6e0cdd5e091a362e222db5cab96f68bb1ea21f36a1374a1bd53296f8769a518e
- MD5 8c5d56f981b3ce7a70f1a5f0bcb041b1
- SHA1 2a3d944dc67c0573fa01aa636ee45456d0925bd3
- SHA512 7d0db3c1fd5134a9b384617433f9ecf45a887e8670e8d6a0c7bef760151b8a8e6c93ada0572c9bb8811c07f81cc3dba1bb3b92d4e6ad316c88ea4e5e701658b5
- TLSH T1D1C02B82A2CBEE0E3D09145312FAD5ACD2726C2D3F40BF50D304C00D538044CF8E9342
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\swy6vfs.exe
- Size 45KB
- SHA256 ca85ac73857507e7eaae1a7c1b215e30b3036c423c78613c163c912375fec003
- MD5 e98db5f3d0572969a247c86cf58b359c
- SHA1 229dc161ffaec2292e36593251e8599dd534766a
- SHA512 40996022bd6544588b16376f67cd6a8113959037f6f5c3220255b461fe6a275a5070ece5c7bb21493ac2c726bb570ecbdfe6434d47b979d5c05566fa89c77499
- SSDEEP 768:EufspTfzcR6uWUcb+wmo2q90CA4iiCNjPISzjbmgX3MNlkrn0hFcwBxhBDZsx:EufspTf2g2hCTqKS3b5X8NCohFddsx
- TLSH T155232B1037E8812BF2BF4F7898F26145467AF6633603E54E1CC4519B5613FC68A426FE
- MD5 SHA1 SHA512 SSDEEP TLSH